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From Flavien Charlon <flavien.char...@gmail.com>
Subject Re: "Not enough replicas available for query" after reboot
Date Thu, 04 Feb 2016 23:32:10 GMT
No, there was no other change. I did run "apt-get upgrade" before
rebooting, but Cassandra has not been upgraded.

On 4 February 2016 at 22:48, Bryan Cheng <bryan@blockcypher.com> wrote:

> Hey Flavien!
>
> Did your reboot come with any other changes (schema, configuration,
> topology, version)?
>
> On Thu, Feb 4, 2016 at 2:06 PM, Flavien Charlon <flavien.charlon@gmail.com
> > wrote:
>
>> I'm using the C# driver 2.5.2. I did try to restart the client
>> application, but that didn't make any difference, I still get the same
>> error after restart.
>>
>> On 4 February 2016 at 21:54, <SEAN_R_DURITY@homedepot.com> wrote:
>>
>>> What client are you using?
>>>
>>>
>>>
>>> It is possible that the client saw nodes down and has kept them marked
>>> that way (without retrying). Depending on the client, you may have options
>>> to set in RetryPolicy, FailoverPolicy, etc. A bounce of the client will
>>> probably fix the problem for now.
>>>
>>>
>>>
>>>
>>>
>>> Sean Durity
>>>
>>>
>>>
>>> *From:* Flavien Charlon [mailto:flavien.charlon@gmail.com]
>>> *Sent:* Thursday, February 04, 2016 4:06 PM
>>> *To:* user@cassandra.apache.org
>>> *Subject:* Re: "Not enough replicas available for query" after reboot
>>>
>>>
>>>
>>> Yes, all three nodes see all three nodes as UN.
>>>
>>>
>>>
>>> Also, connecting from a local Cassandra machine using cqlsh, I can run
>>> the same query just fine (with QUORUM consistency level).
>>>
>>>
>>>
>>> On 4 February 2016 at 21:02, Robert Coli <rcoli@eventbrite.com> wrote:
>>>
>>> On Thu, Feb 4, 2016 at 12:53 PM, Flavien Charlon <
>>> flavien.charlon@gmail.com> wrote:
>>>
>>> My cluster was running fine. I rebooted all three nodes (one by one),
>>> and now all nodes are back up and running. "nodetool status" shows UP for
>>> all three nodes on all three nodes:
>>>
>>>
>>>
>>> --  Address        Load       Tokens  Owns    Host ID
>>>             Rack
>>>
>>> UN  xx.xx.xx.xx    331.84 GB  1       ?
>>> d3d3a79b-9ca5-43f9-88c4-c3c7f08ca538  RAC1
>>>
>>> UN  xx.xx.xx.xx    317.2 GB   1       ?
>>> de7917ed-0de9-434d-be88-bc91eb4f8713  RAC1
>>>
>>> UN  xx.xx.xx.xx  291.61 GB  1       ?
>>> b489c970-68db-44a7-90c6-be734b41475f  RAC1
>>>
>>>
>>>
>>> However, now the client application fails to run queries on the cluster
>>> with:
>>>
>>>
>>>
>>> Cassandra.UnavailableException: Not enough replicas available for query
>>> at consistency Quorum (2 required but only 1 alive)
>>>
>>>
>>>
>>> Do *all* nodes see each other as UP/UN?
>>>
>>>
>>>
>>> =Rob
>>>
>>>
>>>
>>>
>>>
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